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BME 201-CIRCUIT ANALYSIS

1.Week Circuit Variables

Mehmet Cem Çatalbaş, Ph.D.

Fall Semester 2021

The main aim of course

An introductory course to the fundamentals and basic principles of DC and AC circuits. Topics include: resistance, voltage, current, Ohm's Law, Kirchhoff’s Laws, power, superposition, network theorems, Thevenin's and Norton's Theorems, maximum power transfer, introduction to AC, capacitors and inductors.

Course Information

Course Title Code Semester L+U Hour Credits ECTS CIRCUIT ANALYSIS BME201 3. Semester 4 + 0 4.0 5.

Source Recommendations about the Course

1. Electric Circuits, 10

th

Ed.,Nilsson, J. W., Riedel, S. A.,

Pearson Prentice Hall, New Jersey, 2014.

2. Fundamentals of Electric Circuits, C. K. Alexander, M. N.

O. Sadiku, McGraw-Hill Book Company, 2012.

3. Introductory circuit analysis ,Boylestad, R. L., Pearson

Education, 2013.

4. Grob’s Basic Electronics, 12

th

Ed., Mitchel E. Schultz,

McGraw-Hill Book Company, 2015.

Course Information

1. Understand and be able to use SI units and the standard prefixes for powers of 10.
2. Know and be able to use the definitions of voltage and current.
3. Know and be able to use the definitions of power and energy. Circuit Variables

Electric Circuits and Technology

Electrical engineering is the profession concerned with systems that produce, transmit, and measure electric signals. Electrical engineering combines the physicist’s models of natural phenomena with the mathematician’s tools for manipulating those models to produce systems that meet practical needs. Figure 2.Communications Systems

Electric Circuits and Technology

• Power systems generate and distribute electric power.
• Electric power, which is the foundation of our technology-based society, usually is generated in large quantities by nuclear, hydroelectric, and thermal generators.
• Power is distributed by a grid of conductors that cross the country. Figure 3.Power Systems

Electric Circuits and Technology

Figure 5. Respiratory Device

• Respiratory devices include devices intended to help patients in need of support for breathing, removal of carbon dioxide, and therapy to reduce disuse atrophy of abdominal wall muscles.

The International System of Units (SI)

• One of the most important rules to remember and apply when working in any field of technology is to use the correct units when substituting numbers into an equation.
• Engineers compare theoretical results to experimental results and compare competing engineering designs using quantitative measures.
• Consider, for example, the following very fundamental physics equation:
  • The numerical value substituted into an equation must have the unit of measurement specified by the equation.
• To state that v = 44.71 without including the unit of measurement mph ( miles per hour) is meaningless.

The International System of Units (SI)

The SI units are based on seven defined quantities: 1.length 2.mass 3.time 4.electric current 5.thermodynamic temperature 6.amount of substance 7.luminous intensity

The International System of Units (SI)

• SI derived units are units of measurement derived from the seven base units specified by the International System of Units ( SI ).

Power of 10

• This notation takes full advantage of the mathematical properties of powers of ten.
• The notation used to represent numbers that are integer powers of ten is as follows:

• Power of

Power of 10 and Basic Arithmetic Operations

Multiplication

Power of 10 and Basic Arithmetic Operations

Division